Pressure cooker having a lid comprising a lid handle and a cooking vessel comprising a vessel handle, wherein the cooking vessel is closeable with the lid in a fluid-tight manner by means of a closure mechanism by the lid handle and the vessel handle being placed one above the other, wherein one of the two handles comprises a coupling group which has two coupling elements which can be mechanically coupled to, or uncoupled from, each other, and the other of the two handles comprises a coupling device constructed for said coupling together and/or said uncoupling in such a manner that, when the lid handle and the vessel handle are placed one above the other, the two coupling elements are either mechanically uncoupled from each other by means of the coupling device or mechanically coupled to each other.